ground frost

British

noun

the condition resulting from a temperature reading of 0°C or below on a thermometer in contact with a grass surface

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

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Gardeners beware that some rural ground frost is still likely too.

From BBC • May 11, 2026

Early ground frost and pockets of fog make a return this week, but at this time of year it will be short‑lived - worth noting for those who have delicate plants outside.

From BBC • May 4, 2026

Wednesday will have a colder start with patchy ground frost more widespread.

From BBC • May 4, 2026

With winds falling lighter on Thursday night, temperatures will drop down to 3-6C with a touch of ground frost in more rural areas.

From BBC • Sep. 9, 2024

At Kensington Palace the ground frost registered 9 deg.

From Punch, or the London Charivari, Volume 159, December 22, 1920 by Seaman, Owen, Sir

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023